Routing Table Report 04:00 +10GMT Sun 28 Sep, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 269382
Prefixes after maximum aggregation: 129772
Deaggregation factor: 2.08
Unique aggregates announced to Internet: 130526
Total ASes present in the Internet Routing Table: 29361
Prefixes per ASN: 9.17
Origin-only ASes present in the Internet Routing Table: 25524
Origin ASes announcing only one prefix: 12452
Transit ASes present in the Internet Routing Table: 3837
Transit-only ASes present in the Internet Routing Table: 84
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 556
Unregistered ASNs in the Routing Table: 201
Number of 32-bit ASNs allocated by the RIRs: 60
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 745
Number of addresses announced to Internet: 1908334016
Equivalent to 113 /8s, 190 /16s and 221 /24s
Percentage of available address space announced: 51.5
Percentage of allocated address space announced: 62.5
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.7
Total number of prefixes smaller than registry allocations: 132013
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 62138
Total APNIC prefixes after maximum aggregation: 22589
APNIC Deaggregation factor: 2.75
Prefixes being announced from the APNIC address blocks: 59020
Unique aggregates announced from the APNIC address blocks: 25800
APNIC Region origin ASes present in the Internet Routing Table: 3394
APNIC Prefixes per ASN: 17.39
APNIC Region origin ASes announcing only one prefix: 911
APNIC Region transit ASes present in the Internet Routing Table: 541
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 378103712
Equivalent to 22 /8s, 137 /16s and 103 /24s
Percentage of available APNIC address space announced: 80.5
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 112/8, 113/8, 114/8,
115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8,
122/8, 123/8, 124/8, 125/8, 126/8, 202/8, 203/8,
210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 122451
Total ARIN prefixes after maximum aggregation: 64689
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 91748
Unique aggregates announced from the ARIN address blocks: 35169
ARIN Region origin ASes present in the Internet Routing Table: 12479
ARIN Prefixes per ASN: 7.35
ARIN Region origin ASes announcing only one prefix: 4829
ARIN Region transit ASes present in the Internet Routing Table: 1191
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 364422368
Equivalent to 21 /8s, 184 /16s and 164 /24s
Percentage of available ARIN address space announced: 74.9
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
ARIN Address Blocks 24/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8,
69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8,
76/8, 96/8, 97/8, 98/8, 99/8, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 58567
Total RIPE prefixes after maximum aggregation: 35396
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 53726
Unique aggregates announced from the RIPE address blocks: 36007
RIPE Region origin ASes present in the Internet Routing Table: 11949
RIPE Prefixes per ASN: 4.50
RIPE Region origin ASes announcing only one prefix: 6299
RIPE Region transit ASes present in the Internet Routing Table: 1830
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 373440608
Equivalent to 22 /8s, 66 /16s and 64 /24s
Percentage of available RIPE address space announced: 85.6
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-49151
RIPE Address Blocks 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 21525
Total LACNIC prefixes after maximum aggregation: 5376
LACNIC Deaggregation factor: 4.00
Prefixes being announced from the LACNIC address blocks: 19647
Unique aggregates announced from the LACNIC address blocks: 11033
LACNIC Region origin ASes present in the Internet Routing Table: 1004
LACNIC Prefixes per ASN: 19.57
LACNIC Region origin ASes announcing only one prefix: 331
LACNIC Region transit ASes present in the Internet Routing Table: 170
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 56794880
Equivalent to 3 /8s, 98 /16s and 159 /24s
Percentage of available LACNIC address space announced: 56.4
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 4146
Total AfriNIC prefixes after maximum aggregation: 1281
AfriNIC Deaggregation factor: 3.24
Prefixes being announced from the AfriNIC address blocks: 4454
Unique aggregates announced from the AfriNIC address blocks: 2066
AfriNIC Region origin ASes present in the Internet Routing Table: 259
AfriNIC Prefixes per ASN: 17.20
AfriNIC Region origin ASes announcing only one prefix: 82
AfriNIC Region transit ASes present in the Internet Routing Table: 54
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 12746752
Equivalent to 0 /8s, 194 /16s and 128 /24s
Percentage of available AfriNIC address space announced: 38.0
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4755 1639 535 179 TATA Communications formerly
17488 1393 94 100 Hathway IP Over Cable Interne
4766 876 6407 359 Korea Telecom (KIX)
9583 868 131 63 Sify Limited
4134 840 13665 344 CHINANET-BACKBONE
23577 812 34 692 Korea Telecom (ATM-MPLS)
18101 781 161 63 Reliance Infocom Ltd Internet
4780 717 353 61 Digital United Inc.
9498 676 295 56 BHARTI BT INTERNET LTD.
4808 626 1156 138 CNCGROUP IP network: China169
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4294 3416 344 bellsouth.net, inc.
209 2941 4016 620 Qwest
6298 1997 318 728 Cox Communicatons
20115 1682 1421 712 Charter Communications
1785 1663 717 154 PaeTec Communications, Inc.
2386 1550 691 894 AT&T Data Communications Serv
4323 1521 1067 369 Time Warner Telecom
7018 1408 5794 980 AT&T WorldNet Services
11492 1212 152 11 Cable One
6478 1190 241 190 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3292 423 1777 378 TDC Tele Danmark
3301 330 1428 301 TeliaNet Sweden
30890 330 87 175 SC Kappa Invexim SRL
3215 328 2756 107 France Telecom Transpac
3320 324 7063 273 Deutsche Telekom AG
8866 321 79 22 Bulgarian Telecommunication C
8452 316 188 11 TEDATA
5462 301 794 27 Telewest Broadband
8551 287 270 37 Bezeq International
680 275 2047 265 DFN-IP service G-WiN
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1412 2847 223 UniNet S.A. de C.V.
11830 668 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
7303 491 241 70 Telecom Argentina Stet-France
10620 456 113 65 TVCABLE BOGOTA
16814 426 27 10 NSS, S.A.
6471 420 85 48 ENTEL CHILE S.A.
11172 411 118 71 Servicios Alestra S.A de C.V
28573 351 444 22 NET Servicos de Comunicao S.A
14117 343 23 9 Telefonica del Sur S.A.
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 543 71 41 LINKdotNET AS number
20858 401 34 3 EgyNet
3741 264 853 222 The Internet Solution
2018 232 215 139 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 137 10 13 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
5713 119 555 69 Telkom SA Ltd
33776 116 6 3 Starcomms Nigeria Limited
29571 107 13 8 Ci Telecom Autonomous system
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4294 3416 344 bellsouth.net, inc.
209 2941 4016 620 Qwest
6298 1997 318 728 Cox Communicatons
20115 1682 1421 712 Charter Communications
1785 1663 717 154 PaeTec Communications, Inc.
4755 1639 535 179 TATA Communications formerly
2386 1550 691 894 AT&T Data Communications Serv
4323 1521 1067 369 Time Warner Telecom
8151 1412 2847 223 UniNet S.A. de C.V.
7018 1408 5794 980 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2941 2321 Qwest
1785 1663 1509 PaeTec Communications, Inc.
4755 1639 1460 TATA Communications formerly
17488 1393 1293 Hathway IP Over Cable Interne
6298 1997 1269 Cox Communicatons
11492 1212 1201 Cable One
8151 1412 1189 UniNet S.A. de C.V.
4323 1521 1152 Time Warner Telecom
18566 1053 1043 Covad Communications
6478 1190 1000 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
22492 UNALLOCATED 12.2.46.0/24 1239 Sprint
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 3549 Global Crossing
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.75.116.0/22 10796 ServiceCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.71.0/24 701 UUNET Technologies, Inc.
63.143.115.0/24 701 UUNET Technologies, Inc.
Complete listing at http://thyme.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:17 /11:45 /12:147
/13:295 /14:530 /15:1063 /16:10114 /17:4403 /18:7670
/19:16302 /20:19123 /21:18664 /22:23447 /23:24515 /24:140384
/25:796 /26:966 /27:768 /28:89 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2844 4294 bellsouth.net, inc.
6298 1971 1997 Cox Communicatons
209 1702 2941 Qwest
2386 1231 1550 AT&T Data Communications Serv
17488 1200 1393 Hathway IP Over Cable Interne
11492 1188 1212 Cable One
1785 1126 1663 PaeTec Communications, Inc.
6478 1082 1190 AT&T Worldnet Services
18566 1034 1053 Covad Communications
4755 974 1639 TATA Communications formerly
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:139 12:2162 13:2 15:22 16:3
17:5 18:13 20:35 24:1080 32:59 38:501
40:92 41:708 43:1 44:2 47:12 52:3
55:3 56:3 57:27 58:522 59:521 60:452
61:979 62:1222 63:2038 64:3221 65:2369 66:3486
67:1255 68:790 69:2315 70:855 71:168 72:2053
73:7 74:1204 75:160 76:264 77:795 78:839
79:250 80:941 81:863 82:590 83:379 84:582
85:1004 86:398 87:712 88:336 89:1363 90:21
91:1533 92:267 93:851 94:178 96:74 97:83
98:332 99:8 113:1 114:105 115:90 116:1002
117:365 118:234 119:498 120:94 121:597 122:852
123:444 124:765 125:1192 128:357 129:201 130:134
131:416 132:70 133:9 134:176 135:32 136:223
137:96 138:142 139:81 140:507 141:103 142:408
143:289 144:327 145:51 146:370 147:159 148:519
149:209 150:128 151:180 152:148 153:136 154:10
155:281 156:173 157:301 158:167 159:306 160:267
161:138 162:255 163:154 164:516 165:500 166:365
167:333 168:629 169:143 170:449 171:33 172:10
173:34 186:1 187:16 188:1 189:316 190:2276
192:5756 193:4137 194:3259 195:2576 196:999 198:3722
199:3290 200:5526 201:1419 202:7832 203:8067 204:3945
205:2144 206:2350 207:2739 208:3643 209:3420 210:2549
211:1089 212:1465 213:1630 214:175 215:50 216:4344
217:1220 218:351 219:437 220:1065 221:354 222:287
End of report